Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (3) Antidepressants (2) Antiepileptics/Antiseizures (1) (-) Antimicrobials (1) Bronchodilators (1) Sedative/Hypnotics (1) (-) Stimulants (1) Sympathomimetic Amines (1) Test Sub-Category Alkaloids (1) Antibiotics (1) Test Test Name 4380U Theobromine, Urine 4704U Trimethoprim, Urine